You needn’t have ________ the speaker when he wasspeaking; there was enough time afterwards for you to ask questions.

What’s the matter,Mary? You look ________!-My wallet is nowhere to be found,and my identification card (身份证) is in it.[ ]

It has been revealed that some govemment leaders______their authority and position to get illegal profits for themselves.[ ]

I don’t know how to deal with my son. He alwaysrefuses ______ advice I give him.—He just wants to show he has grown up, maybe.

His eyes stare at _____ is left of the brother’s dinner on the table.